#include <digestdbviewevents.h>
Inheritance diagram for VDigestDbEvent:

Public Types | |
| enum | Type { ClassesAdded = VEvent::User, ClassesAboutToBeRemoved, ClassesRemoved, ClassesUpdated, CollectionsAdded, CollectionsAboutToBeRemoved, CollectionsRemoved, CollectionsUpdated, ExperimentsAdded, ExperimentsAboutToBeRemoved, ExperimentsRemoved, ExperimentsUpdated, GesturesAdded, GesturesAboutToBeRemoved, GesturesChangedClasses, GesturesChangedCollections, GesturesRemoved, GesturesUpdated, TrainedRecogsAdded, TrainedRecogsAboutToBeRemoved, TrainedRecogsRemoved, TrainedRecogsUpdated, User = VEvent::User + 1000 } |
Public Member Functions | |
| VDigestDbEvent (Type type, MvcBase *sender, QObject *originalSender) | |
| virtual MvcModuleId_t | moduleId () const |
| QObject * | originalSender () const |
Static Public Member Functions | |
| static MvcModuleId_t | classModuleId () |
The originalSender can be a very useful property. It was added to this system because when a new record that uses an auto-generated ID is inserted into the database, the caller may need to perform something in response to that that is dependent on that ID (known only once inserted) but only when it itself initiates the original insertion.
For example, the GestureBrowser allows the user to add a new "Class" when editing a gesture. In this case, it's intuitive to have the new class added to the gesture's list of classes. However, GestureBrowser can't blindly listen out for VDigestDbEvent::GesturesAdded events and perform this addition, as a new class may be added via something else, which should not be added to the gesture. Hence, the GestureBrowser should only update the gesture that's currenly being edited when the originalSender() is itself.
Remember that a burst of view events may be delivered at any time and in any order from one or more senders.
| enum VDigestDbEvent::Type |
Reimplemented from VEvent.
| static MvcModuleId_t VDigestDbEvent::classModuleId | ( | ) | [inline, static] |
Returns MvcDigestDb::id().
Reimplemented from MvcEvent.
| virtual MvcModuleId_t VDigestDbEvent::moduleId | ( | ) | const [inline, virtual] |
Returns classModuleId().
Reimplemented from MvcEvent.
| QObject* VDigestDbEvent::originalSender | ( | ) | const [inline] |
1.5.2